C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/24 (2006.01) E01C 13/10 (2006.01) F25C 3/00 (2006.01)
Patent
CA 2655336
Disclosed is a method for producing an ice surface for an ice rink by freezing water to which an inorganic substance is added. The inventive method is characterized in that the inorganic substance is ammonia, an alkali hydroxide or alkaline earth hydroxide, a hydrogen halide, nitric acid, sulfuric acid, phosphoric acid, an alkali salt, alkaline earth salt, or ammonium salt of said acids, ammonium hydrogen carbonate, or a mixture of several of said substances.
L'invention concerne un procédé servant à produire une surface de glace pour une piste de patinage par congélation d'eau à laquelle on ajoute une substance inorganique. Le procédé selon l'invention est caractérisé en ce que cette substance inorganique est de l'ammoniac, un hydroxyde alcalin ou alcalino-terreux, un halogénure d'hydrogène, de l'acide nitrique, de l'acide sulfurique, de l'acide phosphorique, un sel alcalin, alcalino-terreux ou d'ammonium de ces acides ou du bicarbonate d'ammonium ou bien un mélange de plusieurs de ces substances.
Ridout & Maybee Llp
Universitaet Innsbruck
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